package com.example.demo.dao;

import com.example.demo.model.Board;

import java.util.List;

public interface BoardMapper {
    int insert(Board record);

    int insertSelective(Board record);

    Board selectByPrimaryKey(Long id);

    int updateByPrimaryKeySelective(Board record);

    int updateByPrimaryKey(Board record);

    List<Board> selectByNum(long sum);
}